mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet - Page 19

• Manufacturer Part Number: mm1538
• Description: 4-ch Motor Driver For Portable Cd Players
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
Application Circuit
· We shall not be liable for any trouble or damege caused by using this circuit.
· In the event a problem which may affect industrial property or any other rights of us or a third party is
encountered during the use of information described in these circuit, Mitsumi Electric Co., Ltd. shall not be
liable for any such problem, nor grant a license therefor.
47µ
33µ
100k
2200p
100k
0.1µ
PREGND
47
CHGVcc
0.1µ
PWMFIL
AMUTE
START
HVcc
PSW
EMP
CLK
OFF
SEL
10p
34
35
36
37
38
39
40
41
42
43
44
CLK
TSD
33
1
1.8k
32
2
TRAVERSE
M
31
3
47µ
BTL
DETECTION
MAXIMUM
V
IN
30
4
0.1µ
SPINDLE
application
M
Converter
DC–DC
29
5
BTL
OVER-VOLTAGE
28
6
4-ch Motor Driver for Portable CD Players MM1538
TSD
8.2k
V
OUT
BTL
100µ
27
7
0.022µ
FOCUS
26
8
0.1µ
TRIANGLE WAVE
BTL
25
9
TRACKING
470p
/
/
/
/
PRE-DRIVER POWER SUPPLY
10
24
BRAKE1
23
11
FILTER
22
21
20
19
18
17
16
15
14
13
12
IN1
MUTE2
IN2
MUTE34
IN4
IN3
Vref
VSYS2
OP+
OPOUT
VSYS1